refs #28 - naming consistency

@@ -2,4 +2,4 @@
 
 CASPERJS_HOME="$( cd -P "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd )"
 
-phantomjs $CASPERJS_HOME/casper.js --casper-dir=$CASPERJS_HOME $*
+phantomjs $CASPERJS_HOME/casper.js --casper-path=$CASPERJS_HOME $*

@@ -34,14 +34,14 @@
 
     // seeking for casperPath passed as an argument
     phantom.args.forEach(function(arg) {
-        var pathMatch = arg.match(/--casper-dir=(.+)/);
+        var pathMatch = arg.match(/--casper-path=(.+)/);
         if (pathMatch) {
             phantom.casperPath = pathMatch[1];
         }
     });
 
     if (!phantom.casperPath || !fs.isDirectory(phantom.casperPath)) {
-        console.log('Cannot find CasperJS home path. Did you set phantom.casperPath or pass the --casper-dir option?');
+        console.log('Cannot find CasperJS home path. Did you set phantom.casperPath or pass the --casper-path option?');
     }
 
     [